Milesight WT201-868M Smart Thermostat User Guide

Milesight WT201-868M Manual: Questions and Answers

How do I connect wires to the Milesight WT201-868M terminals?

Insert wires into the terminal holes on the wiring backplate until firmly in place.

1. Hold down the tabs on each terminal.
2. Push the wire into the corresponding hole until it sits firmly.
3. Gently tug the wire to confirm it is securely connected.
4. If you need to remove a wire, hold down the terminal tab again. User Guide, p. 9

Can I use the Milesight WT201-868M without a C wire if I don't have a Power Extension Kit?

No. If there is no C wire, you must add a Power Extension Kit to power the thermostat. User Guide, p. 6

How do I set up the Milesight WT201-868M after wiring it to my HVAC system?

Adjust the DIP switch and configure the device using NFC or USB.

1. Adjust the DIP switch: set to Only RC if only the RC wire is connected, or RC & RH if both RC and RH wires are connected.
2. Push the thermostat into the wiring backplate and ensure it is securely fixed.
3. Turn on your heating and cooling systems to verify the thermostat powers on.
4. Download Milesight ToolBox and configure the device using NFC or USB.
5. Test the buttons to confirm proper function. User Guide, p. 9

What is the maximum current the Milesight WT201-868M power supply can handle?

24VAC with a maximum of 2A current, though prolonged operation at maximum current will damage the device. User Guide, p. 8

Where are the terminal connections located on the Milesight WT201-868M?

Terminals are on the wiring backplate. Common labels include CL, CN, RC, RH, W1, W2, AUX, E, Y1, Y2, GL, G, GH, C, O/B, and PEK for the Power Extender Kit connection. User Guide, p. 4

What do I do if my system has no C wire for the thermostat?

Connect a Power Extension Kit to the PEK terminal. The kit provides the necessary power when a C wire isn't available. User Guide, p. 5

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